General Configurations
4
General Configurations
4.1
Physical Access
lists the TPS25944XEVM-635 input and output connector functionality,
describes the test
point availability, and
describes the jumper functionality.
Table 2. Input and Output Connector Functionality
Connector
Label
Description
J3
VIN1(+), GND(–)
CH1 Input power supply to the EVM
CH1
J2
VOUT1(+),GND(–)
CH1 Output power from the EVM
J8
VIN2(+), GND(–)
CH2 Input power supply to the EVM
CH2
J7
VOUT2(+),GND–)
CH2 Output power from the EVM
Table 3. Test Points Description
Channel
Test Points
Label
Description
TP3
VIN1
CH1 Input power supply to the EVM
TP8
EN_UV1
CH1 Active high enable and undervoltage input
TP5
OVP1
CH1 Active high overvoltage input (> 16.5 V)
TP11
IMON1
CH1 Current monitor. Load current = 1.187 × voltage on TP11
TP2
VOUT1
CH1 Output from the EVM
CH1
TP9
PG1
CH1 Power good test point
TP4
FLTb1
CH1 Fault test point
TP12
GND
GND
TP13
GND
GND
TP14
GND
GND
TP15
VIN2
CH2 Input power supply to the EVM
TP17
EN_UV2
CH2 Active high enable and under voltage input
TP18
OVP2
CH2 Active high overvoltage input
TP22
IMON2
CH2 Current monitor. Load current = 1.187 × voltage on TP22
TP16
VOUT2
CH2 Output from the EVM
CH2
TP21
PG2
CH2 Power good test point
TP20
FLTb2
CH2 Fault test point
TP24
GND
GND
TP25
GND
GND
TP26
GND
GND
Table 4. Jumper and LEDs Descriptions
Jumper
Label
Description
J4
LO - HI
CH2 Current Setting
J5
J5
PG1 and FLTb1 setting
J9
LO - HI
CH2 Current Setting
CH1 circuit fault indicator. LED turns on when the internal MOSFET is disabled due to a fault
D2 (Red)
D2
condition such as over load , short circuit, under voltage etc.
D3 (Green)
D3
CH1 Power good indicator. LED turns on when the voltage at TP2(VOUT1) is more than 10.8V
CH2 circuit fault indicator. LED turns on when the internal MOSFET is disabled due to a fault
D6 (Red)
D6
condition such as over load , short circuit, under voltage etc.
D7 (Green)
D7
CH2 Power good indicator. LED turns on when the voltage at TP2(VOUT1) is more than 10.8V
5
SLUUBC2A – May 2015 – Revised July 2015
TPS25944X635EVM: Evaluation Module for TPS25944X
Copyright © 2015, Texas Instruments Incorporated